#pulse .pulse-chain-selector{display:flex;gap:10px;margin-bottom:24px;max-width:100%;overflow-x:auto;padding:4px;scrollbar-width:thin}
#pulse .pulse-chain-selector button{display:flex;align-items:center;justify-content:center;gap:9px;flex:0 0 auto;min-height:46px;padding:10px 16px;border:1px solid #27546c;border-radius:14px;background:#0b1e2d;color:#9ebdcc;font:inherit;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
#pulse .pulse-chain-selector button[aria-selected="true"]{background:#103246;border-color:#22d4ff;color:#eaf6ff}
#pulse .pulse-chain-selector button:focus-visible{outline:2px solid #ff984b;outline-offset:2px}
#pulse .pulse-chain-selector img{object-fit:contain;flex:none}
#pulse .pulse-chain-panels{display:grid;min-width:0}
#pulse .pulse-chain-panel{grid-area:1/1;min-width:0}
#pulse .pulse-chain-panel[aria-hidden="true"]{visibility:hidden;pointer-events:none}
#pulse .pulse-chain-empty .pulse-source-placeholder{display:inline-block;margin-top:auto;padding-top:4px;font-size:10px;font-weight:800;color:var(--accent)}
@media(max-width:580px){#pulse .pulse-chain-selector{gap:7px}#pulse .pulse-chain-selector button{padding:10px 12px;font-size:11px}}

/* Pulse-only: on mobile, research cards form a one-card horizontal carousel.
   Existing network tabs remain separate, and desktop grid is untouched. */
#pulse .pulse-card-controls{display:none}
@media(max-width:760px){
 #pulse .pulse-grid{
  display:flex;
  flex-wrap:nowrap;
  gap:12px;
  max-width:100%;
  min-width:0;
  overflow-x:auto;
  overflow-y:hidden;
  scroll-snap-type:x mandatory;
  scroll-padding-inline:0;
  overscroll-behavior-x:contain;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
 }
 #pulse .pulse-grid::-webkit-scrollbar{display:none}
 #pulse .pulse-grid > .pulse-card{
  flex:0 0 100%;
  box-sizing:border-box;
  min-width:0;
  max-width:100%;
  scroll-snap-align:start;
  scroll-snap-stop:always;
 }
 #pulse .pulse-card-controls{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:14px;
 }
 #pulse .pulse-card-controls button{
  min-height:42px;
  padding:8px 12px;
  border:1px solid #27546c;
  border-radius:12px;
  background:#0b1e2d;
  color:#eaf6ff;
  font:inherit;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
 }
 #pulse .pulse-card-controls button:disabled{opacity:.35;cursor:default}
 #pulse .pulse-card-controls button:focus-visible{outline:2px solid #ff984b;outline-offset:2px}
 #pulse .pulse-card-counter{font-size:12px;color:#9ebdcc;font-variant-numeric:tabular-nums}
}